<template>
  <div>
    <!-- 新增导演表单 -->
    <el-form 
      ref="form" :model="form" :rules="rules"
      label-width="100px" style="width:500px;">
      <el-form-item label="导演姓名" prop="directorName">
        <el-input v-model="form.directorName"></el-input>
      </el-form-item>
      <el-form-item label="导演头像" prop="directorAvatar">
        <el-upload
          class="avatar-uploader"
          action="http://localhost:9000/upload"
          :show-file-list="false"
          :on-success="handleAvatarSuccess"
          :before-upload="beforeAvatarUpload">
          <img 
            v-if="form.directorAvatar" 
            :src="form.directorAvatar" class="avatar">
          <i v-else class="el-icon-plus avatar-uploader-icon"></i>
        </el-upload>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="submit">立即新增</el-button>
        <el-button>取消</el-button>
      </el-form-item>
    </el-form>
    
  </div>
</template>

<script>
import myaxios from '@/http/MyAxios';
import httpApi from '@/http';
export default {
  data() {
    return {
      form: {
        directorName: '',   // 绑定导演名字
        directorAvatar: '', // 绑定导演头像
      },
      rules:{
        directorName: [{required:true, message:'必填', trigger:'blur'}],
        directorAvatar: [{required:true, message:'必填', trigger:'blur'}],
      }
    }
  },
  methods: {
    submit() {
      // 手动验证表单
      this.$refs['form'].validate(valid=>{
        if(valid){ // 表单验证成功
          console.log('验证成功', this.form)
          httpApi.DirectorApi.add(this.form).then(res=>{
            this.$message({
              message: '恭喜你，导演添加成功',
              type: 'success'
            })
            // 将表单重置
            this.$refs['form'].resetFields()
          })
        }else{ // 表单验证失败
          console.log('验证失败')
        }
      })
    },
    // 处理上传成功后的业务
    handleAvatarSuccess(res, file) {
      console.log(res)
      // 将上传成功后的图片访问路径，存入form对象
      this.form.directorAvatar = res.data
    },

    // 处理上传之前的格式大小验证
    beforeAvatarUpload(file) {
      const isJPG = file.type === 'image/jpeg';
      const isLt2M = file.size / 1024 / 1024 < 2;

      if (!isJPG) {
        this.$message.error('上传头像图片只能是 JPG 格式!');
      }
      if (!isLt2M) {
        this.$message.error('上传头像图片大小不能超过 2MB!');
      }
      return isJPG && isLt2M;
    }
  },
};
</script>

<style lang="scss" scoped></style>
<style>
  .avatar-uploader .el-upload {
    border: 1px dashed #d9d9d9;
    border-radius: 6px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
  }
  .avatar-uploader .el-upload:hover {
    border-color: #409EFF;
  }
  .avatar-uploader-icon {
    font-size: 28px;
    color: #8c939d;
    width: 120px;
    height: 120px;
    line-height: 120px;
    text-align: center;
  }
  .avatar {
    width: 120px;
    display: block;
  }
</style>

